Granted Patent
Utility
US 5,113,556 · App. 07/608,698
Buckle
Inventors:
Ryukichi Murai, Masaaki Endo
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Nov 5, 1990
Inventors
Ryukichi Murai
Masaaki Endo
Assignee (at issue)
Yoshida Kogyo K.K.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.